User Guide

3
Table of Contents
I. Product Description 4
 II.  Specications      4
III. Before Installing 5
IV. Locating The Boiler 6
V. Mounting The Boiler 7
VI. Air For Ventilation 8
VII. Venting 11
A. General Vent System Design 11
B. Design Requirements Unique to Horizontal Twin Pipe
Venting Systems 17
C. Design Requirements Unique to Vertical Venting Systems 22
D. Design Requirements Unique to Split Vent Systems 25
E. Assembly of CPVC/PVC Vent Systems 27
F. Condensate Trap and Drain 34
G. Removing An Existing Boiler From Common Chimney 35
VIII. Gas Piping 36
IX. System Piping 38
A. General System Piping Precaution 38
B. Near Boiler Piping Design 39
C. Standard Piping Installation Requirements 44
D. Piping For Special Situations 45
X. Wiring 47
XI. Start-up and Checkout 55
XII. Operation 62
XIII. Service and Maintenance 69
XIV. Troubleshooting 75
XV. Parts 83
Appendix A: LP Gas Conversion Instructions 93
Appendix B: Special Requirements For Side-Wall 97
Vented Appliances In The Commonwealth
of Massachusetts
Appendix C: Control Set-up Using PIM 99